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Ventilation fan does not start until 20 seconds after the engine has been started.

Read the instructions below then start the fault diagnostic procedure.

Symptom: Ventilation fan does not start until 20 seconds after the engine has been started.

Ventilation fan does not start until 20 seconds after the engine has been started.



Fault symptoms

Ventilation fan does not start until 20 seconds after the engine has been started.

Conditions

+54 from DICE on bus is missing.

Check wiring harness.

Jiggle the wiring harness at several points and in different directions to reveal intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic instrument during the test.